DISAFFILIATE Meaning of DISAFFILIATE in English [ ˌdɪsə'fɪlɪeɪt ]■ verb (of an organization) end its affiliation with (a subsidiary group). ↘(of a subsidiary group) end its affiliation.Derivativesdisaffiliation noun Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004